CN102649379B - Box type folder made of weldable thermoplastic plate and relative machine - Google Patents

Abstract

The invention relates to a parallelepiped-shaped box type folder made of weldable thermoplastic plates for filing and an effective method of producing the same. The sequential operations are completed by a full-automatic machine without artificial interference. The full-automatic machine comprises a plurality of stations comprising intercoordinating and auto-executing components.

Description

Box type file and correlation machine is manufactured continuously by thermoplastic sheet can be welded

Technical field

Present invention relates in general to the machine of file for the manufacture of archive file and folder (files), especially relate to the box type file with lid closed anterior (flap closure front) be made up of rigid plastic material.

Background technology

The rigid box file with closing lid (flap closure) be made up of the sheet material of thermal weld plastic material (normally polypropylene) is more and more better than the clip of traditional band becket.

Usually the application bag passing through the transparent membrane that (visible on document frame) and lid closed anterior upper (when the file taken off from document frame is placed on Working table) weld in the spine of file meets the described needs marked for the container of archive file.

Naturally, for this file, will take out this file from document frame can be such as taking out more familiar clip, and easily the hole in visible spine on finger introducing document frame is completed crawl, described hole is suitably provided with becket.

Relative folder, the manufacture of the box type file of described plastic material is more complicated, and such as need to adopt the technology of applicable plastic material to complete a large amount of operations, in addition openable box structure must be prepared, the motion parts of described box structure is limited to spine and lid is closed anterior, and described lid closes and anteriorly also needs to be locked in device in closing position to allow to store easily and move folder and the file in file can not be allowed arbitrarily to drop out.

Although produce plastic material for folding line of weakness, semi-rigid plastic sheet material is die-cut to required even shape thing simultaneously in box forming step, described in industrial-scale production, the labor cost of article is still main cost factor.Carry out cold forming line of weakness by broken blade (crushing blades) and the folding requirement meeting the operation that execution is to be done fast cannot be made, thus cause automaticity not high, this is because although plastic material is thinning by plastic deformation by broken blade, but still remaining with obvious elastic memory, the welding of this overlapping edge that can make the shaping of box and fold 90 ° completely becomes complicated.And, do not solve use more or less automation servicing unit to perform the problem of folding operation, this is because described operation still requires to be supervised by the operating personnel of specialty and intervene.

Summary of the invention

The demand reducing manufacturing cost can only be met by a kind of fully automatic system, described fully automatic system can run in subcontinuous mode and only need one to two operating personnel carry out supervision at least and assist, and almost exempts any fixing repeater's work operation.

After having carried out nervous research work and the possible approaches and technical scheme that realize this target tested, applicant proposed a kind of method by plasticity sheet material can be welded manufacture continuously efficiently the parallelepiped box type file for archive file, and a kind of full-automatic machine with cooperation automatic execution device mutually.

On the even shape thing by plasticity sheet material cross cutting gained, order performs all operations prepared box type file and require, wherein, while the even shape thing needed for semi-rigid plastic sheet material cross cutting, on described plasticity sheet material still can longitudinal line of weakness of preformed two plastic materials for folded sides close out sheet.Die-cut shapes is stacked and introduces in charging magazine (magazine), automatically take out die-cut shapes from described charging magazine and constantly to advance and without the need to any manual intervention along machine in synchronous and full automatic mode, except in office what is the need for and want time be regularly added on except the material and miscellaneous goods that use in respective charging magazine.

Invention required for protection is defined by the following claims, and to be included in by claim full content in description as a reference.

Accompanying drawing explanation

Fig. 1-8 illustrates the order of performed operation on the cross cutting even shape thing made at polypropylene board.

Fig. 9 is the 3-D view of the file finished product be made up of the semi-rigid translucent sheet material welding plastic material.

Figure 10 is the overall three-dimensional view of the Part I according to machine of the present invention.

Figure 11-15 illustrates the difference station of the Part I forming machine in Figure 10 and the relevant details performing component.

Figure 16 is the overall three-dimensional view of the Part II according to machine of the present invention.

Figure 17-26 illustrates the difference station of the Part II forming machine in Figure 16 and the relevant details performing component.

Figure 27 is the overall three-dimensional view of the end sections according to machine of the present invention.

Figure 28-30 illustrates the difference station of the end sections forming machine in Figure 27 and the relevant details performing component.

Detailed description of the invention

Appended accompanying drawing and description are below only used to an example embodiment of the present invention is described.Be with it will be apparent to those skilled in the art that, although describe herein by the mode of example, but can according to select and the tissue order of convenience to the control member used in many examples and device and different station make change, and still within the teachings of described herein and explanation.

As shown in figs 1-9, in example used, even shape thing Sf has had by longitudinal thinning lines sx of broken preformed acquisition cold on plasticity sheet material and sd during die-cutting step, and the operation that order performs on every block even shape thing Sf is as follows:

A) lid of thermoforming restriction file closes the first laterally folded pleat trace p1 and p2(Fig. 2 of anterior 1 and spine 2);

B) the first transparent label is set on the outer surface of spine 2 and keeps bag T1(Fig. 3);

C) thermoforming limits the second laterally folded pleat trace p3 and p4(Fig. 4 of file back 3, bottom 4 and opposite nose (counter-front) 5);

D) in spine 2, go out the hole h for finger grip file, and becket (Fig. 5) is set on the edge of hole h;

E) the second transparent label is set on the outer surface of anterior 1 and keeps bag T2(Fig. 6);

F) on the outer surface of opposite nose 5 and on the inner surface of anterior 1, setting can discharge Part I V1 and the Part II V2 of fastener respectively, to be fixed on opposite nose 5 by front portion 1, closed file for storing or transport (Fig. 7) on document frame thus;

G) reinforcement metal accessory gm is arranged on the movable part V2 of the fastener of lid closed anterior 1 on the region fixed (Fig. 8);

H) make file shaping, and to folding 90 ° and the side close out sheet 31,41,51 coincided with one another carries out thermal weld or ultrasonic bonding (Fig. 9).

The closed fastener of anterior 1 of lid can be various.Some preferred kind in this device are: band, button, permanent magnetism securing member or with flexible bobbin (spool) door bolt (described flexible bobbin fixing on respective marginal portion by be wound around/launch the line that anchors on bobbin described in one of them and secured together).

See Figure 10-15, the Part I of machine of the present invention shown in the overview of Figure 10, wherein Reference numeral A represents group or the station of the cross cutting even shape thing Sf in feeding Fig. 1, Reference numeral B represents group or the station of laterally folded pleat trace p1 and p2 formed in Fig. 2, reference number C represents cutting transparent bag T1 and the group be arranged on by transparent bag T1 in spine 2 that horizontal pleat trace p1 and p2 limit or station, and Reference numeral D represents the group be delivered to by even shape thing Sf on the conveyer going to machine Part II.

Can find out in detail from Figure 11, during from the even shape thing of file of common cross cutting and impression production line, to be placed on outside guide A2 place feeder on falsework A1 stacking, described guide A2 can adjust according to produced pattern.Reach required height once stacking, even shape thing is just placed on the internal frame A3 of feeder.The inserted tooth be positioned on chain type hoisting frame A3 coordinates the even shape thing capturing stacking top place with sucker, to be fed into the second station B of production of machinery line.

First hot folding line component of machine carries out the two-fold trace limiting file spine, next will arrange label bag T1 in described file spine.See Figure 12, band B1 is by file feeding until comprise bottom presses B3 and top is moved near the folding line group of press B4, and its details is shown in Figure 13.File is located by the paired roller B5 driven by brushless electric machine.Opposing blades B8 is contiguous on hot blade B7, and described opposing blades B8 is arranged on top and moves in the main body of press, and described top is moved press and moved by pull bar B2 by the wobbling action of driving shaft, and described hot blade B7 is supported by the blade holder B6 with integrated heater.

See Figure 14, carried out the location of file by brushless electric machine C6, and transparent film bag T1 is arranged in file spine 2 together with relevant printing paper labels by thermal weld by mould C5.As seen from the figure, can weld plastic transparent film and launch one section of length set by brushless electric machine C1 and aligning roller from feed roller, then film is cut off by blade C2.Label peels from magazine C3, and it is put into together with transparent bag the position below weld mold C5 by pliers C4, described mould C5 comprises the soldering appliance C54 being with the pressing plate C51 of heater, instrument maintenance mould C52, pressing member C53 and size to be applicable to the bag that will arrange, as shown in the detail view of Figure 15.

See Figure 16-26, Figure 16 illustrates the overview of machine Part II, and for the object illustrated instead of limit, Figure 16 indicates different groups or the station that example embodiment according to the present invention is implemented.

In the Part II of machine, advance even shape thing Sf by a pair cog belt E, and operation cycle provides the movement from a station to the next stop and stop each station, to perform different operations for when processing a lot of shape simultaneously.

If exist for optional group of F of heat label and use, allow to arrange signature or mark on one or more regions of even shape thing.

The hot line-folding machine of G of standing forms the pleat trace along the transverse line p3 in Fig. 4 and p4, thus limits the back 3 of box type file, bottom 4 and opposite nose 5.As Figure 17 in detail shown in, motor reducer block G1 controls the operation of mould G3, by moving whole piece to adjust its position along crossbeam G2.Mould G3 comprises the blade holder G33 of mobile opposing blades G31, stationary heat blade G32 and band heater, as shown in figure 18.

As shown in Figure 19 in detail, the mobile punch H2 that the hole h in Fig. 5 is driven by motor reducer H1 in the H of station and fixed die H3 makes.

Be arranged on hole h on by becket by two curling (crimping) moulds in the I of station, described two curling moulds are: fixing curling mould I5 and the curling mould I4 of movement driven by motor reducer I1.Select to treat curling becket by oscillatory type volute finder (vibrating scroll orienter) I2, and deliver to set-point by track I3.Details is visible in fig. 20.

Group (station) L being similar to the group C of machine Part I is used for the second label of transparent membrane to keep bag T2(and possible printing paper labels) front portion 1 of file is in figure 6 set.The difference of above-mentioned two groups is mould L1 and the weld mold L2 of the shape for preparing bag.Obtain the shape of bags by following two operations: edge trimming L11(is to obtain desired profile) and cross cutting L12 to obtain the stereoeffect (relief effect) of bag.Bag weld mold has corresponding shape, and comprises pressing plate L21, tool rack L22, pressing member L23 and the soldering appliance L24 with heater.These details can be seen in Figure 21,22,23.

In order to increase running time, even in order to feed roller can be changed at run duration, when even shape thing Sf moves, namely when even shape thing slave station L advances the N that arrives at a station, respective by means of two accommodations the group M of two rollers of band, by self-adhesive on the outer surface that band V1 and V2 is attached to opposite nose 5 respectively and on the inner surface of anterior 1 (Fig. 8), described self-adhesive band V1 and V2 launches from respective feed roller and is cut into required size.

Close on the inner surface of anterior 1 to being arranged on file lid in the N of station simultaneously band V2 and reinforcement metal accessory gm on the outer surface carries out curling.Perform component involving vibrations formula volute locator N1, metal fittings are placed on even shape thing with the conveyer N2 of band V2 overlap and crimper (crimper) N3, as shown in figure 24.In order to correct positioning metal accessory gm, use two centring means N31 and locking device N32.The metal fittings be positioned on anvil N33 are subject to hammering knocking of N34 into shape, as shown in figure 25, and deform, thus curling on semi-rigid plastic sheet material.

In station O subsequently, by the stitching of the sewing machine with automatic shearing yarn (yarn cutting) and grooming function will be arranged on the outer surface of opposite nose 5 another band V1 is permanently fixed.

Ensuing action need carries out the longitudinal direction upset of even shape thing in station P subsequently.As Figure 26 in detail shown in, even shape thing is slided and is reversed relative to propelling path in a longitudinal direction by the rotation of double 90 ° between blade P1, and is placed on extraction and conveyer belt Q.

For the object illustrated instead of limit, first Figure 27-30 illustrates the overview of the end sections of automaton, the detailed view of the difference station that example embodiment according to the present invention is implemented shown in accompanying drawing afterwards and execution component.

In the overview of Figure 27 still visible Figure 16 overview in the extraction of machine Part II and conveyer belt Q.

Shaping for the ease of file, along file back 3, bottom 4 and opposite nose 5 both sides, the side closure edge of file defined in shape die-cutting step or side close out sheet 31,41 and 51(be see Fig. 1-8) in the R of station, carry out pre-folded process along cold forming line sx and dx.As Figure 28 in detail shown in, first forming board R1 is by side close out sheet 31,41 and 51 folding 180 °, and contrast block (contrast block) R2 and be pressed in downwards to increase its degree of crushing on file, thus reach and be broken and fold the yield point of the plasticity sheet material of 180 °.Side close out sheet is carried and is got back to predetermined angular by the second forming board R3.

According to described and example embodiment that is that illustrate, in the S of station, carry out the shaping of box type file and ultrasonic bonding.

Shown in as detailed in Figure 29 and 30, inner mould S3 is as the comparison for welding ultrasonic horn (horn) S5.When cylinder S1 and S2 retracts, side closure edge or side the close out sheet folded shape thing close to 90 ° arrive welding station S, and are oriented to against adjustable backstop S8.Cylinder S1 and cylinder S2 moves to operating position, must be folded by mobile inner mould S3 in the side close out sheet of inner side, the promotion of shape thing is resisted against on the plate forming shaping locular wall until the contrast component driven by cylinder S4.

So far, although file does not also have soldered, complete shaping.

Now, inner mould S3 expands the plasticity web contact to make ultrasonic horn S5 and overlapping side closure edge 31,41 and 51, and welds.In fact this mould comprises fixed component (contrast plate) and mobile member (soldering appliance); When cylinder S31 moves to operating position, bar S32 aims at and outwards promotes the bearing S33 of carrying soldering appliance S34; After welding completes, instrument retracts by cylinder, thus can take off from mould the file welded.

File is carried downwards by sucker bar S6, and mould upwards retracts by cylinder S2 simultaneously, thus new folder that is to be formed and welding can be advanced to shaping position.The file welded is pushed open from workspace thus is sent to and extracts hook S7 by pusher S9, and described extraction hook S7 closes file and its outlet towards automaton promoted under the air nozzle of correct orientation and the help of side direction brush.

Claims (7)

1. by the automated process that can weld thermoplastic sheet and manufacture continuously the parallelepiped box type file for archive file, described box type file comprises: closed anterior (1); With the spine (2) in the hole (h) for box type file described in finger grip; With file back (3), bottom (4) and the opposite nose (5) of side close out sheet (31,41,51); Bag (T1, T2) is kept respectively in the clear label of spine (2) above and on described closed front portion (1) of described file; And the discharged fastener (V1 of described closed front portion (1) on described opposite nose (5), V2), described method comprises the step providing the even shape thing (Sf) obtained by described thermoplastic sheet cross cutting, the superimposition of described even shape thing heap is introduced the step in the charging magazine (A) of full-automatic machine, and performs following operation:

A) from described charging magazine (A), one piece of even shape thing (Sf) is once taken out, and hot pressing goes out to limit the described closed front portion (1) of described box type file, spine (2) and side close out sheet (31 on described even shape thing, 41,51) the first transverse line (p1, and longitudinal folding line (sx, sd) p2);

B) cut out size and be applicable to from bringing of clear sheet that plastic material makes can be welded the flat rectangular sheet that formation first label keeps bag (T1), and keep bag to be welded in the described spine (2) that limited by described first transverse line (p1, p2) of described even shape thing (Sf) on described first label along three sides;

C) hot pressing goes out to limit the second transverse line (p3, p4) of the described back (3) of described box type file, bottom (4) and opposite nose (5);

D) in described spine (2), go out the hole (h) for box type file described in finger grip;

E) from charging magazine, take out a becket, and described becket is arranged on the described hole (h) of going out;

F) from charging magazine, take out the clear sheet that one piece of size is applicable to the welded plastic material of formation second label maintenance bag (T2), and keep bag to be welded on described closed front portion (1) along at least two sides on described second label;

G) from respective feed distributor, take out Part I and the Part II that can discharge fastener, and Part I (V1) is arranged on described opposite nose (5), and on the region being applicable to coordinating with the described described Part I (V1) discharging fastener the inner surface for the position closing described box type file, Part II (V2) being arranged on described closed front portion (1);

H) relative to the longitudinally described even shape thing (Sf) of upset of the direction of propulsion in described full-automatic machine;

I) be applicable to along respective longitudinal folding line (sx by described even shape thing (Sf) is advanced to, sd) side close out sheet (31 described in pre-folded, 41,51) between contrast component, then along the first transverse line and the second transverse line (p1, p2, p3, p4) folding described even shape thing and by the described side close out sheet (31 of overlap, 41,51) weld together to make described box type file shaping;

J) the described box type file exported in the exit of described full-automatic machine.

2. method according to claim 1, wherein, described discharge the cooperation of fastener described Part I and Part II (V1, V2) cut respectively from feed roller the band of bar.

3. method according to claim 1, wherein, described discharge the cooperation of fastener described Part I and Part II belong to by the following group formed: paired the bobbin of the band of bar, button, permanent magnetism securing member and flexibility, described bobbin be fixed on respective file marginal portion with by be wound around/launch be anchored in described bobbin one of them on line and secured together.

4. method according to claim 1, wherein, at least one fixed number object monolithic even shape thing being constantly advanced to next work station at the production line along described full-automatic machine from a work station performs simultaneously the described operation of the order of equal number.

5. by the automaton that can weld thermoplastic sheet and manufacture continuously the parallelepiped box type file for archive file, described box type file comprises: closed anterior (1); With the spine (2) in the hole (h) for box type file described in finger grip; With file back (3), bottom (4) and the opposite nose (5) of side close out sheet (31,41,51); Bag (T1, T2) is kept respectively in the clear label of described file spine (2) above and on described closed front portion (1); And the discharged fastener (V1 of described closed front portion (1) on described opposite nose (5), V2), described automaton comprises: the production line constantly advancing even shape thing (Sf), and described even shape thing is obtained by described thermoplastic sheet cross cutting, is introduced into charging magazine in a stack; And multiple work stations that every block even shape thing arrives in turn, described multiple work station comprises:

A) charging magazine (A), described charging magazine has sucker, and described sucker is from described stacking top pick monolithic even shape thing and be sent to the first belt conveyer (B1) by described even shape thing;

B) the first hot blade line-folding machine (B), described first hot blade line-folding machine limits side close out sheet (31,41,51) longitudinal folding line (sx, sd) and define the lid closed anterior (1) of described file and the first transverse line of spine (2);

C) stand C, and described station C comprises: electrotome, and described electrotome cutting is from the transparent band welding plastic material band of feed roller; The vacuum retrieving machine of printed label, described vacuum retrieving machine is used for described printed label location and is positioned at by the described band of rectangle above the described printed label in the described spine (2) that limited by described first transverse line of described even shape thing thus; And for the band of plastic material to be kept the instrument of bag (T1) along the first clear label that its three sides carry out welding to form the described printed label of storage;

D) a pair second hot blade line-folding machine (G1, G2), described a pair second hot blade line-folding machines form the second transverse line (p3, p4) limiting the bottom (4) of described file and the respective of opposite nose (5);

E) perforating press (H), described perforating press is adapted at the hole (h) described spine (2) gone out for file described in finger grip;

F) stand I, described station I have fixed die and mobile by pressing mold between the reinforcement metal ring for described hole (h) is distributed, the automatic component of directed and location;

G) stand L, and described station L comprises: electrotome, and described electrotome cutting is from the transparent band welding plastic material band of feed roller; The vacuum retrieving machine of printed label, described vacuum retrieving machine is used for described printed label location and is positioned at by the described band of rectangle above the described printed label on the described closed front portion (1) that limited by described first transverse line (p1) of described even shape thing thus; And for the band of plastic material to be kept the instrument of bag (T2) along the second clear label that its three sides carry out welding to form the described printed label of storage;

H) stand N, and described station N comprises: for can discharge from the first feed distributor pickup fastener Part I (V1) and by curling, grafting or sew up the automatic component be fixed on by described Part I on the outer surface of described opposite nose (5); And for from the second feed distributor pickup described can discharge fastener Part II (V2) and by curling, grafting or the component sewed up on the inner surface described Part II being fixed on described closed front portion (1) on applicable position of matching with described Part I (V1);

I) station P, described station P has the rotating vane for described even shape thing (Sf) longitudinally being overturn by twice continuous rotation of 90 °;

J) stand R, described station R is used for making described side close out sheet (31,41,51) longitudinal folding line (sx, sd) surrender in advance, described station R has for making the component of described side close out sheet pre-folded 180 °, for strengthening the pressing member of the plastic deformation caused by pre-folded and the component for described side close out sheet upwards being put forward back predetermined angle;

K) stand S, described station S has for the formation of the mould of described box type file and opposing mold and the equipment that side close out sheet (31,41,51) and the opposite nose (5) of overlap welded.

6. automaton according to claim 5, wherein, described discharge fastener described Part I and Part II (V1, V2) be the self-adhesive of cutting from respective distributor roller the band of bar.

7. automaton according to claim 5, wherein said station S comprises the ultrasonic horn for ultrasonic bonding.